Home / 13,185.28-18,195.20-7,596.16

Finding the Fourth Proportional to 13,185.28, 18,195.20 and 7,596.16

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Solution

The fourth proportional to 13,185.28, 18,195.20 and 7,596.16 is: 10,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.28 : 18,195.20 = 7,596.16 : x
  2. Step 2: Convert to fraction form
    13,185.28/18,195.20 = 7,596.16/x
  3. Step 3: Cross multiply
    13,185.28x = 18,195.20 × 7,596.16
  4. Step 4: Simplify right side
    13,185.28x = 138,213,650.43
  5. Step 5: Solve for x
    x = 138,213,650.43/13,185.28
  6. Step 6: Final answer
    x = 10,482.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.